Question: Tell me the name of the diatomic nonmetal chemical with the lowest oxidation state.
Paraphrase: What is the diatomic nonmetal chemical that has the lowest oxidation state?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q19753344 . ?ent wdt:P1121 ?obj . ?ent wdt:P31 wd:Q11344. } ORDER BY ASC(?obj)LIMIT 5